scsi: ufs: core: Export ufshcd_hba_stop()

Export ufshcd_hba_stop() to allow vendors to disable HCI in variant ops.

Link: https://lore.kernel.org/r/20210528033624.12170-2-alice.chao@mediatek.com
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Alice.Chao <alice.chao@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ufs/ufshcd.c

@@ -4492,7 +4492,7 @@ EXPORT_SYMBOL_GPL(ufshcd_make_hba_operational);
  * ufshcd_hba_stop - Send controller to reset state
  * @hba: per adapter instance
  */
-static inline void ufshcd_hba_stop(struct ufs_hba *hba)
+void ufshcd_hba_stop(struct ufs_hba *hba)
 {
 	unsigned long flags;
 	int err;
@@ -4511,6 +4511,7 @@ static inline void ufshcd_hba_stop(struct ufs_hba *hba)
 	if (err)
 		dev_err(hba->dev, "%s: Controller disable failed\n", __func__);
 }
+EXPORT_SYMBOL_GPL(ufshcd_hba_stop);
 
 /**
  * ufshcd_hba_execute_hce - initialize the controller

drivers/scsi/ufs/ufshcd.h

@@ -970,6 +970,7 @@ int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask,
 				unsigned long timeout_ms);
 void ufshcd_parse_dev_ref_clk_freq(struct ufs_hba *hba, struct clk *refclk);
 void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val);
+void ufshcd_hba_stop(struct ufs_hba *hba);
 
 static inline void check_upiu_size(void)
 {